CVE-2021-24416: StreamCast < 2.1.1 - Contributor+ Stored Cross-Site Scripting

Severity: medium (CVSS 5.4 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-10-18 · updated 2026-06-17
Weakness: CWE-79

Description

The StreamCast – Radio Player for WordPress plugin before 2.1.1 does not sanitise or validate the parameters from its shortcode, allowing users with a role as low as contributor to set Cross-Site Scripting payload in them which will be triggered in the page/s with the embed malicious shortcode

Affected products

StreamCast – Radio Player for WordPress: before 2.1.1 — fixed in 2.1.1

How to fix

Upgrade to a fixed version: StreamCast – Radio Player for WordPress 2.1.1. Check the vendor advisory for mitigations.

References

https://wpscan.com/vulnerability/260c7e2d-d48c-42d6-ae05-bad3f3bac01d
https://wpscan.com/vulnerability/260c7e2d-d48c-42d6-ae05-bad3f3bac01d

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